Home / 935,221.03-1,290,604.30-505,501.14

Finding the Fourth Proportional to 935,221.03, 1,290,604.30 and 505,501.14

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Solution

The fourth proportional to 935,221.03, 1,290,604.30 and 505,501.14 is: 697,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,221.03 : 1,290,604.30 = 505,501.14 : x
  2. Step 2: Convert to fraction form
    935,221.03/1,290,604.30 = 505,501.14/x
  3. Step 3: Cross multiply
    935,221.03x = 1,290,604.30 × 505,501.14
  4. Step 4: Simplify right side
    935,221.03x = 652,401,944,938.90
  5. Step 5: Solve for x
    x = 652,401,944,938.90/935,221.03
  6. Step 6: Final answer
    x = 697,591.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.